rendered paste body<?/* * class.Thumbnail.php * * Copyright (C) 2001 - 2006 Hidayet Dogan * * http://www.hido.net/projects/phpThumbnailer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */class Thumbnail { var $errmsg = ""; var $error = false; var $format = ""; var $file = ""; var $max_width = 0; var $max_height = 0; var $percent = 0; var $jpeg_quality = 75; function Thumbnail($file, $max_width = 0, $max_height = 0, $percent = 0, $jpeg_quality = 75) { if (!file_exists($file)) { $this->errmsg = "File doesn't exists"; $this->error = true; } else if (!is_readable($file)) { $this->errmsg = "File is not readable"; $this->error = true; } if (strstr(strtolower($file), ".gif")) { $this->format = "GIF"; } else if (strstr(strtolower($file), ".jpg") || strstr(strtolower($file), ".jpeg")) { $this->format = "JPEG"; } else if (strstr(strtolower($file), ".png")) { $this->format = "PNG"; } else { $this->errmsg = "Unknown file format"; $this->error = true; } if ($max_width == 0 && $max_height == 0 && $percent == 0) { $percent = 100; } $this->max_width = $max_width; $this->max_height = $max_height; $this->percent = $percent; $this->file = $file; $this->jpeg_quality = $jpeg_quality; } function calc_width($width, $height) { $new_width = $this->max_width; $new_wp = (100 * $new_width) / $width; $new_height = ($height * $new_wp) / 100; return array($new_width, $new_height); } function calc_height($width, $height) { $new_height = $this->max_height; $new_hp = (100 * $new_height) / $height; $new_width = ($width * $new_hp) / 100; return array($new_width, $new_height); } function calc_percent($width, $height) { $new_width = ($width * $this->percent) / 100; $new_height = ($height * $this->percent) / 100; return array($new_width, $new_height); } function return_value($array) { $array[0] = intval($array[0]); $array[1] = intval($array[1]); return $array; } function calc_image_size($width, $height) { $new_size = array($width, $height); if ($this->max_width > 0 && $width > $this->max_width) { $new_size = $this->calc_width($width, $height); if ($this->max_height > 0 && $new_size[1] > $this->max_height) { $new_size = $this->calc_height($new_size[0], $new_size[1]); } return $this->return_value($new_size); } if ($this->max_height > 0 && $height > $this->max_height) { $new_size = $this->calc_height($width, $height); return $this->return_value($new_size); } if ($this->percent > 0) { $new_size = $this->calc_percent($width, $height); return $this->return_value($new_size); } return $this->return_value($new_size); } function show_error_image() { header('Content-type: image/png'); $err_img = ImageCreate(220, 25); $bg_color = ImageColorAllocate($err_img, 0, 0, 0); $fg_color1 = ImageColorAllocate($err_img, 255, 255, 255); $fg_color2 = ImageColorAllocate($err_img, 255, 0, 0); ImageString($err_img, 3, 6, 6, "ERROR:", $fg_color2); ImageString($err_img, 3, 55, 6, $this->errmsg, $fg_color1); ImagePng($err_img); ImageDestroy($err_img); } function show($name = "") { if ($this->error) { $this->show_error_image(); return; } $size = GetImageSize($this->file); $new_size = $this->calc_image_size($size[0], $size[1]); # # Good idea from Mariano Cano Pérez # Requires GD 2.0.1 (PHP >= 4.0.6) # if (function_exists("ImageCreateTrueColor")) { $new_image = ImageCreateTrueColor($new_size[0], $new_size[1]); } else { $new_image = ImageCreate($new_size[0], $new_size[1]); } switch ($this->format) { case "GIF": $old_image = ImageCreateFromGif($this->file); break; case "JPEG": $old_image = ImageCreateFromJpeg($this->file); break; case "PNG": $old_image = ImageCreateFromPng($this->file); break; } # # Good idea from Michael Wald # Requires GD 2.0.1 (PHP >= 4.0.6) # if (function_exists("ImageCopyResampled")) { ImageCopyResampled($new_image, $old_image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]); } else { ImageCopyResized($new_image, $old_image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]); } switch ($this->format) { case "GIF": if (!empty($name)) { ImageGif($new_image, $name); } else { header("Content-type: image/gif"); ImageGif($new_image); } break; case "JPEG": if (!empty($name)) { ImageJpeg($new_image, $name, $this->jpeg_quality); } else { header("Content-type: image/jpeg"); ImageJpeg($new_image, "", $this->jpeg_quality); } break; case "PNG": if (!empty($name)) { ImagePng($new_image, $name); } else { header("Content-type: image/png"); ImagePng($new_image); } break; } ImageDestroy($new_image); ImageDestroy($old_image); return; } function save($name) { $this->show($name); }}?>